Submission #1098863

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1098863	2024-10-10 08:53:32	_callmelucian	Food Court (JOI21_foodcourt)	C++14	100 / 100	364 ms	72528 KiB

foodcourt

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int,int> pii;
typedef tuple<int,int,int> tt;
#define all(a) a.begin(), a.end()
#define filter(a) e.erase(unique(all(a)), a.end())
const int mn = 2e5 + 5e4 + 4;
struct node {
    ll neg, val;
    node() : neg(0), val(0) {}
    node (ll neg, ll val) : neg(neg), val(val) {}
    node operator + (const node &o) const {
        ll delta = val - o.neg;
        return node(neg - min(0LL, delta), o.val + max(0LL, delta));
    }
};
struct IT {
    vector<node> tr;
    IT (int sz) : tr(4 * sz) {}
    void update (int pos, ll val, int k, int l, int r) {
 
 
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Compilation message (stderr)

foodcourt.cpp: In member function 'void BIT::update(int, ll)':
foodcourt.cpp:58:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   58 |         for (; k < tr.size(); k += p(k)) tr[k] += val;
      |                ~~^~~~~~~~~~~
foodcourt.cpp: In member function 'int BIT::walk(ll)':
foodcourt.cpp:69:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   69 |             if ((ans | mask) < tr.size() && tr[ans | mask] + sum < ub) ans |= mask, sum += tr[ans];
      |                 ~~~~~~~~~~~~~^~~~~~~~~~~

• Subtask 1: 2 / 2
• Subtask 2: 5 / 5
• Subtask 3: 7 / 7
• Subtask 4: 21 / 21
• Subtask 5: 15 / 15
• Subtask 6: 13 / 13
• Subtask 7: 26 / 26
• Subtask 8: 11 / 11